Release Message:  The Autobots find an asteroid where Quintessons have made a time window back to the rebellion on Cybertron. Co-written by Gerry Conway.

Description:  The Autobots find an asteroid where Quintessons have made a time window back to the rebellion on Cybertron. The window is damaged in battle and several Autobots are trapped in the past while Alpha Trion is brought into the present.